17945456

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{8069}}^1$

素因数の和:8216

約数の個数: 20

約数和(自身を含む): 35023800

約数和(自身を除く): 17078344

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 8069, 16138, 32276, 64552, 129104, 1121591, 2243182, 4486364, 8972728, 17945456]

約数ペア:

[(1, 17945456), (2, 8972728), (4, 4486364), (8, 2243182), (16, 1121591), (139, 129104), (278, 64552), (556, 32276), (1112, 16138), (2224, 8069)]